The colour Gelb 05-407-1007 also bears the RAL 1007 code.
RAL colours are standardized colours defined by the RAL Institute.
RAL 1007 today is called "Narzissengelb" which translates to daffodil yellow.
Earlier names were Chromgelb and Postgelb (chromium yellow, postal yellow) which dates back a long time when mineral pigments were still in use for colours and RAL 1007 was based on Lead(II)chromate (C.I. pigment yellow 34).
Color images were derived from multiple sources, including BMW AG, PPG/BASF automotive color charts, and owner vehicles. Republishing content is expressly prohibited.
Source: 2005 BMW 8 Series Inventory Project